Physics Exam 2 Study Guide
Mg sin () MG cos () = acceleration (when object is on incline)
Invers tan () =
Friction Force is in the opposite direction of the velocity and in the same
direction as the
1.
1. A 0.125
kg leaf is blown off the ground by a gust of wind, moving 1.00 m
straight up. If the net force on the leaf (force of the wind plus gravity) points upward and
is equal in magnitude to a c
Chapter 4
Two-Dimensional Kinematics
4-1 Motion in Two Dimensions
If velocity is _,
motion is along a straight
line:
4-1 Motion in Two Dimensions
Motion in the x- and y-directions should be solved
_!
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JeffBurks
PHYS2090023
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CarolynJohnson
2
Table of Contents
Exp 1 Measurement
Data and Results
Additional Questions
Corrections
Exp 2 Graphing and Data Analysis
Pre-Lab Quiz
Data
Chopfer 3
- Vecfors in Physics
31 Scalars Versus Vecrors
iv 1*
, - i g 1 2 « i i
Scalar: WU if 321" if? is; a *3
' Lei/i, .
'3 f2 7.
Vector: quani'i'l'y wi'rhm a3 ' nd '
How 10 ge1' To The library: n
8/7/2012
Chapter 3
Vectors in Physics
3-1 Scalars Versus Vectors
Scalar: _
Vector: quantity with _ and _
How to get to the library: need to know how far and which way
Even though you know how
far and
Two balls have their centers 3.0 m apart. One ball has a
mass of 2.7 kg. The other has a mass of 4.5 kg. What is the
gravitational force between them? Assume G = 6.67 1011 Nm2/kg2.3mi
a.
1.3x10-11 N
b
4/28/2015
Introduction to Physics
What is Physics?
Physics: the study of the fundamental laws of nature
- these laws can be expressed as mathematical equations
- much complexity can arise from relativ
CHAPTER 5 Newton's Laws of Motion
1) Mass is a measure of how difficult it is to change the velocity of an object.
Answer: TRUE
2) Force is a vector quantity.
Answer: TRUE
3) A force is required for a
Name:_CUID:_
PHYS 207 Exam 4 Fall 2012
1. A person standing on a sidewalk hears the horn of a car which is traveling towards him at 30 m/s. If
he hears the horn to have an apparent frequency of 355 Hz